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        <h1 class="title">Shiro之自定义realm及其加密</h1>
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                <time datetime="2019-08-01T18:49:46.000Z" itemprop="datePublished" class="page-time">
  2019-08-01
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            <ol class="post-toc"><li class="post-toc-item post-toc-level-2"><a class="post-toc-link" href="#学习笔记-Shiro之自定义realm及其加密"><span class="post-toc-number">1.</span> <span class="post-toc-text">学习笔记 :  Shiro之自定义realm及其加密</span></a><ol class="post-toc-child"><li class="post-toc-item post-toc-level-3"><a class="post-toc-link" href="#自定义Realm"><span class="post-toc-number">1.1.</span> <span class="post-toc-text">自定义Realm</span></a></li><li class="post-toc-item post-toc-level-3"><a class="post-toc-link" href="#加密Realm"><span class="post-toc-number">1.2.</span> <span class="post-toc-text">加密Realm</span></a><ol class="post-toc-child"><li class="post-toc-item post-toc-level-4"><a class="post-toc-link" href="#散列算法"><span class="post-toc-number">1.2.1.</span> <span class="post-toc-text">散列算法</span></a></li><li class="post-toc-item post-toc-level-4"><a class="post-toc-link" href="#加密自定义Realm"><span class="post-toc-number">1.2.2.</span> <span class="post-toc-text">加密自定义Realm</span></a></li></ol></li></ol></li></ol>
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        <h1 class="post-card-title">Shiro之自定义realm及其加密</h1>
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            <time class="post-time" title="2019-08-01 18:49:46" datetime="2019-08-01T18:49:46.000Z"  itemprop="datePublished">2019-08-01</time>

            


            

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            <h2 id="学习笔记-Shiro之自定义realm及其加密"><a href="#学习笔记-Shiro之自定义realm及其加密" class="headerlink" title="学习笔记 :  Shiro之自定义realm及其加密"></a>学习笔记 :  Shiro之自定义realm及其加密</h2><h3 id="自定义Realm"><a href="#自定义Realm" class="headerlink" title="自定义Realm"></a>自定义Realm</h3><p><em><code>Realm</code> : 域,Shiro从Realm获取安全数据(如用户、角色、权限),就是说SecurityManager要验证用户身份,那么它需要从Realm获取相应的用户进行比较以确定用户身份是否合法. 也需要从Realm得到用户相应的角色 / 权限进行验证用户是否能进行操作,可以把Realm看成 DataSource,即安全数据源. 如我们之前的ini配置方式使用的是<code>org.apache.shiro.realm.text.IniRealm</code>接口</em></p>
<p><em>org.apache.shiro.realm.Realm接口如下所示 :</em><br><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">//返回一个唯一的Realm名字</span></span><br><span class="line"><span class="function">String <span class="title">getName</span><span class="params">()</span></span>; </span><br><span class="line"><span class="comment">//判断此Realm是否支持此Token</span></span><br><span class="line"><span class="function"><span class="keyword">boolean</span> <span class="title">supports</span><span class="params">(AuthenticationToken token)</span></span>; </span><br><span class="line"><span class="comment">//根据Token获取认证信息</span></span><br><span class="line"><span class="function">AuthenticationInfo <span class="title">getAuthenticationInfo</span><span class="params">(AuthenticationToken token)</span> <span class="keyword">throws</span> AuthenticationException</span>;</span><br></pre></td></tr></table></figure></p>
<p><em>下面通过自定义Realm来实现一个简单的用户身份验证程序~</em></p>
<ol>
<li><p><em>pom.xml : Maven依赖</em></p>
<figure class="highlight xml"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br></pre></td><td class="code"><pre><span class="line"><span class="tag">&lt;<span class="name">dependencies</span>&gt;</span></span><br><span class="line">    <span class="tag">&lt;<span class="name">dependency</span>&gt;</span></span><br><span class="line">        <span class="tag">&lt;<span class="name">groupId</span>&gt;</span>junit<span class="tag">&lt;/<span class="name">groupId</span>&gt;</span></span><br><span class="line">        <span class="tag">&lt;<span class="name">artifactId</span>&gt;</span>junit<span class="tag">&lt;/<span class="name">artifactId</span>&gt;</span></span><br><span class="line">        <span class="tag">&lt;<span class="name">version</span>&gt;</span>4.11<span class="tag">&lt;/<span class="name">version</span>&gt;</span></span><br><span class="line">        <span class="tag">&lt;<span class="name">scope</span>&gt;</span>test<span class="tag">&lt;/<span class="name">scope</span>&gt;</span></span><br><span class="line">    <span class="tag">&lt;/<span class="name">dependency</span>&gt;</span></span><br><span class="line">    <span class="comment">&lt;!-- Shiro核心包 --&gt;</span></span><br><span class="line">    <span class="tag">&lt;<span class="name">dependency</span>&gt;</span></span><br><span class="line">        <span class="tag">&lt;<span class="name">groupId</span>&gt;</span>org.apache.shiro<span class="tag">&lt;/<span class="name">groupId</span>&gt;</span></span><br><span class="line">        <span class="tag">&lt;<span class="name">artifactId</span>&gt;</span>shiro-core<span class="tag">&lt;/<span class="name">artifactId</span>&gt;</span></span><br><span class="line">        <span class="tag">&lt;<span class="name">version</span>&gt;</span>1.3.2<span class="tag">&lt;/<span class="name">version</span>&gt;</span></span><br><span class="line">    <span class="tag">&lt;/<span class="name">dependency</span>&gt;</span></span><br><span class="line">    <span class="comment">&lt;!-- slf4j的接口实现 --&gt;</span></span><br><span class="line">    <span class="tag">&lt;<span class="name">dependency</span>&gt;</span></span><br><span class="line">        <span class="tag">&lt;<span class="name">groupId</span>&gt;</span>org.slf4j<span class="tag">&lt;/<span class="name">groupId</span>&gt;</span></span><br><span class="line">        <span class="tag">&lt;<span class="name">artifactId</span>&gt;</span>slf4j-log4j12<span class="tag">&lt;/<span class="name">artifactId</span>&gt;</span></span><br><span class="line">        <span class="tag">&lt;<span class="name">version</span>&gt;</span>1.7.12<span class="tag">&lt;/<span class="name">version</span>&gt;</span></span><br><span class="line">    <span class="tag">&lt;/<span class="name">dependency</span>&gt;</span></span><br><span class="line">    <span class="comment">&lt;!-- java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory --&gt;</span></span><br><span class="line">    <span class="tag">&lt;<span class="name">dependency</span>&gt;</span></span><br><span class="line">        <span class="tag">&lt;<span class="name">groupId</span>&gt;</span>commons-logging<span class="tag">&lt;/<span class="name">groupId</span>&gt;</span></span><br><span class="line">        <span class="tag">&lt;<span class="name">artifactId</span>&gt;</span>commons-logging<span class="tag">&lt;/<span class="name">artifactId</span>&gt;</span></span><br><span class="line">        <span class="tag">&lt;<span class="name">version</span>&gt;</span>1.2<span class="tag">&lt;/<span class="name">version</span>&gt;</span></span><br><span class="line">    <span class="tag">&lt;/<span class="name">dependency</span>&gt;</span></span><br><span class="line"><span class="tag">&lt;/<span class="name">dependencies</span>&gt;</span></span><br></pre></td></tr></table></figure>
</li>
<li><p><em>my-shiro.ini : 存储用户身份信息(账户=密码)</em></p>
<figure class="highlight ini"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">#自定义realm</span></span><br><span class="line"><span class="attr">myRealm</span> = pers.huangyuhui.realm.MyRealm</span><br><span class="line"><span class="comment">#指定SecurityManager的realms实现</span></span><br><span class="line"><span class="attr">securityManager.realm</span> = <span class="variable">$myRealm</span></span><br></pre></td></tr></table></figure>
</li>
<li><p><em>MyRealm.java : 自定义Realm,模拟从数据库中获取用户信息</em></p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">package</span> pers.huangyuhui.realm;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.authc.AuthenticationException;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.authc.AuthenticationInfo;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.authc.AuthenticationToken;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.authc.SimpleAuthenticationInfo;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.authz.AuthorizationInfo;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.realm.AuthorizingRealm;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.subject.PrincipalCollection;</span><br><span class="line"></span><br><span class="line"><span class="comment">/**</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@project</span>: shiro-learning</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@description</span>: 自定义Realm</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@author</span>: 黄宇辉</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@date</span>: 8/1/2019-5:59 PM</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@version</span>: 1.0</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@website</span>: https://yubuntu0109.github.io/</span></span><br><span class="line"><span class="comment"> */</span></span><br><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">MyRealm</span> <span class="keyword">extends</span> <span class="title">AuthorizingRealm</span> </span>&#123;</span><br><span class="line"></span><br><span class="line">    <span class="meta">@Override</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> String <span class="title">getName</span><span class="params">()</span> </span>&#123;</span><br><span class="line">        <span class="keyword">return</span> <span class="string">"myRealm"</span>; <span class="comment">//区分不同的Realm</span></span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="meta">@Override</span></span><br><span class="line">    <span class="comment">//授权操作</span></span><br><span class="line">    <span class="function"><span class="keyword">protected</span> AuthorizationInfo <span class="title">doGetAuthorizationInfo</span><span class="params">(PrincipalCollection principals)</span> </span>&#123;</span><br><span class="line">        <span class="keyword">return</span> <span class="keyword">null</span>;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="meta">@Override</span></span><br><span class="line">    <span class="comment">//认证操作:其token存储着传入的用户登录信息(usernamePasswordToken)</span></span><br><span class="line">    <span class="function"><span class="keyword">protected</span> AuthenticationInfo <span class="title">doGetAuthenticationInfo</span><span class="params">(AuthenticationToken token)</span> <span class="keyword">throws</span> AuthenticationException </span>&#123;</span><br><span class="line"></span><br><span class="line">        <span class="comment">//获取并验证用户账号信息</span></span><br><span class="line">        String username = (String) token.getPrincipal();</span><br><span class="line">        <span class="keyword">if</span> (!<span class="string">"root"</span>.equals(username)) &#123;</span><br><span class="line">            <span class="keyword">return</span> <span class="keyword">null</span>;</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="comment">//假设用户密码信息</span></span><br><span class="line">        String password = <span class="string">"yubuntu0109"</span>;</span><br><span class="line"></span><br><span class="line">        <span class="comment">//SimpleAuthenticationInfo(Object principal, Object credentials, String realmName)</span></span><br><span class="line">        SimpleAuthenticationInfo info = <span class="keyword">new</span> SimpleAuthenticationInfo(username, password, getName());</span><br><span class="line">        <span class="keyword">return</span> info;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
</li>
<li><p><em>LoginByMyRealm.java : 验证用户登录信息</em></p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">package</span> pers.huangyuhui.realm;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.SecurityUtils;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.authc.AuthenticationException;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.authc.IncorrectCredentialsException;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.authc.UnknownAccountException;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.authc.UsernamePasswordToken;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.config.IniSecurityManagerFactory;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.mgt.SecurityManager;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.subject.Subject;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.util.Factory;</span><br><span class="line"></span><br><span class="line"><span class="comment">/**</span></span><br><span class="line"><span class="comment"> * Shiro认证测试:验证用户登录信息</span></span><br><span class="line"><span class="comment"> */</span></span><br><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">loginByMyRealm</span> </span>&#123;</span><br><span class="line"></span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">void</span> <span class="title">main</span><span class="params">(String[] args)</span> </span>&#123;</span><br><span class="line">        <span class="comment">//1:加载配置文件,创建SecurityManager工厂对象</span></span><br><span class="line">        Factory&lt;SecurityManager&gt; factory = <span class="keyword">new</span> IniSecurityManagerFactory(<span class="string">"classpath:my-shiro.ini"</span>);</span><br><span class="line">        <span class="comment">//2:获得securityManager实例对象</span></span><br><span class="line">        SecurityManager securityManager = factory.getInstance();</span><br><span class="line">        <span class="comment">//3:将securityManger实例绑定到当前运行环境中,便于访问</span></span><br><span class="line">        SecurityUtils.setSecurityManager(securityManager);</span><br><span class="line">        <span class="comment">//4:创建当前登录的主体</span></span><br><span class="line">        Subject currentUser = SecurityUtils.getSubject();</span><br><span class="line">        <span class="comment">//5:绑定主体登录的身份/凭证,既账户及密码</span></span><br><span class="line">        UsernamePasswordToken token = <span class="keyword">new</span> UsernamePasswordToken(<span class="string">"root"</span>, <span class="string">"yubuntu0109"</span>);</span><br><span class="line">        <span class="comment">//6:主体登录</span></span><br><span class="line">        <span class="keyword">try</span> &#123;</span><br><span class="line">            currentUser.login(token);</span><br><span class="line">            System.out.println(<span class="string">"用户身份是否验证成功 :"</span> + currentUser.isAuthenticated());</span><br><span class="line">        &#125; <span class="keyword">catch</span> (UnknownAccountException e) &#123;</span><br><span class="line">            System.err.println(<span class="string">"用户账户错误 !"</span>);</span><br><span class="line">        &#125; <span class="keyword">catch</span> (IncorrectCredentialsException e) &#123;</span><br><span class="line">            System.err.println(<span class="string">"用户密码错误 !"</span>);</span><br><span class="line">        &#125; <span class="keyword">catch</span> (AuthenticationException e) &#123;</span><br><span class="line">            e.printStackTrace();</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="comment">//8:注销登录</span></span><br><span class="line">        currentUser.logout();</span><br><span class="line">        System.out.println(<span class="string">"身份身份是否注销成功 :"</span> + !currentUser.isAuthenticated());</span><br><span class="line"></span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
</li>
<li><p><em>程序运行结果如下所示 :</em></p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">// ······</span></span><br><span class="line">用户身份是否验证成功 :<span class="keyword">true</span></span><br><span class="line"><span class="comment">// ······</span></span><br><span class="line">身份身份是否注销成功 :<span class="keyword">true</span></span><br></pre></td></tr></table></figure>
</li>
</ol>
<h3 id="加密Realm"><a href="#加密Realm" class="headerlink" title="加密Realm"></a>加密Realm</h3><p><em>Shiro提供了base64和16进制字符串编码 / 解码的API支持,方便一些编码解码操作. Shiro内部的一些数据的存储及表示都使用了 base64和16进制字符串</em></p>
<h4 id="散列算法"><a href="#散列算法" class="headerlink" title="散列算法"></a>散列算法</h4><p><em>散列算法一般用于生成数据的摘要信息,是一种不可逆的算法,一般适合存储密码之类的数据,常见的散列算法如<code>MD5</code>、<code>SHA</code>等. 一般进行散列时最好提供一个salt(盐),比密码”admin”加密后产生的散列值是”21232f297a57a5a743894a0e4a801fc3”,其可以到一些MD5解密网站很容易的通过散列值得到密码”admin”,即如果直接对密码进行散列相对来说破解更容易,此时我们可以加一些只有系统知道的干扰数据,如在密码中混入用户ID及用户名(加盐操作),既而这样生成的散列值相对来说更难破解哟!</em></p>
<h4 id="加密自定义Realm"><a href="#加密自定义Realm" class="headerlink" title="加密自定义Realm"></a>加密自定义Realm</h4><p><em>接下来通过使用MD5加密自定义Realm,来完成一个简单的用户身份验证程序~</em></p>
<ol>
<li><p><em>pom.xml : Maven依赖(同上)</em></p>
</li>
<li><p><em>en-shiro.ini : 存储用户身份及加密配置信息</em></p>
<figure class="highlight ini"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br></pre></td><td class="code"><pre><span class="line"><span class="section">[main]</span></span><br><span class="line"><span class="comment">#定义凭证匹配器</span></span><br><span class="line"><span class="attr">credentialsMatcher</span> = org.apache.shiro.authc.credential.HashedCredentialsMatcher</span><br><span class="line"><span class="comment">#散列算法</span></span><br><span class="line"><span class="attr">credentialsMatcher.hashAlgorithmName</span> = md5</span><br><span class="line"><span class="comment">#散列次数</span></span><br><span class="line"><span class="attr">credentialsMatcher.hashIterations</span> = <span class="number">10</span></span><br><span class="line"><span class="comment">#将凭证匹配器设置到realm</span></span><br><span class="line"><span class="attr">myRealm</span> = pers.huangyuhui.encryption.EncryRealm</span><br><span class="line"><span class="attr">myRealm.credentialsMatcher</span> = <span class="variable">$credentialsMatcher</span></span><br><span class="line"><span class="attr">securityManager.realms</span> = <span class="variable">$myRealm</span></span><br></pre></td></tr></table></figure>
</li>
<li><p><em>EncryRealm.java : 自定义Realm,模拟从数据库中获取用户信息</em></p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">package</span> pers.huangyuhui.encryption;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.authc.AuthenticationException;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.authc.AuthenticationInfo;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.authc.AuthenticationToken;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.authc.SimpleAuthenticationInfo;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.authz.AuthorizationInfo;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.realm.AuthorizingRealm;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.subject.PrincipalCollection;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.util.ByteSource;</span><br><span class="line"></span><br><span class="line"><span class="comment">/**</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@project</span>: shiro-learning</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@description</span>: 加密Realm</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@author</span>: 黄宇辉</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@date</span>: 8/1/2019-7:58 PM</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@version</span>: 1.0</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@website</span>: https://yubuntu0109.github.io/</span></span><br><span class="line"><span class="comment"> */</span></span><br><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">EncryRealm</span> <span class="keyword">extends</span> <span class="title">AuthorizingRealm</span> </span>&#123;</span><br><span class="line"></span><br><span class="line">    <span class="meta">@Override</span></span><br><span class="line">    <span class="function"><span class="keyword">public</span> String <span class="title">getName</span><span class="params">()</span> </span>&#123;</span><br><span class="line">        <span class="keyword">return</span> <span class="string">"pwdRealm"</span>; <span class="comment">//区分不同的Realm</span></span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="meta">@Override</span></span><br><span class="line">    <span class="comment">//授权操作</span></span><br><span class="line">    <span class="function"><span class="keyword">protected</span> AuthorizationInfo <span class="title">doGetAuthorizationInfo</span><span class="params">(PrincipalCollection principals)</span> </span>&#123;</span><br><span class="line">        <span class="keyword">return</span> <span class="keyword">null</span>;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="meta">@Override</span></span><br><span class="line">    <span class="comment">//认证操作</span></span><br><span class="line">    <span class="function"><span class="keyword">protected</span> AuthenticationInfo <span class="title">doGetAuthenticationInfo</span><span class="params">(AuthenticationToken token)</span> <span class="keyword">throws</span> AuthenticationException </span>&#123;</span><br><span class="line"></span><br><span class="line">        <span class="comment">//获取用户账户信息</span></span><br><span class="line">        String username = token.getPrincipal().toString();</span><br><span class="line">        <span class="keyword">if</span> (!<span class="string">"root"</span>.equals(username)) &#123;</span><br><span class="line">            <span class="keyword">return</span> <span class="keyword">null</span>;</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="comment">//MD5加密后的用户密码信息</span></span><br><span class="line">        String password = <span class="string">"f3005f7acf36cec973498845460b0c33"</span>;<span class="comment">//password + username + 10</span></span><br><span class="line">        <span class="comment">//指定盐值:ByteSource.Util.bytes(username)</span></span><br><span class="line">        <span class="keyword">return</span> <span class="keyword">new</span> SimpleAuthenticationInfo(username, password, ByteSource.Util.bytes(username), getName());</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
</li>
<li><p><em>LoginByMyRealm.java : 验证用户登录信息</em></p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">package</span> pers.huangyuhui.encryption;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.SecurityUtils;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.authc.AuthenticationException;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.authc.IncorrectCredentialsException;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.authc.UnknownAccountException;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.authc.UsernamePasswordToken;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.config.IniSecurityManagerFactory;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.mgt.SecurityManager;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.subject.Subject;</span><br><span class="line"><span class="keyword">import</span> org.apache.shiro.util.Factory;</span><br><span class="line"></span><br><span class="line"><span class="comment">/**</span></span><br><span class="line"><span class="comment"> * Shiro认证测试:验证用户登录信息</span></span><br><span class="line"><span class="comment"> */</span></span><br><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">loginByMyRealm</span> </span>&#123;</span><br><span class="line"></span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">void</span> <span class="title">main</span><span class="params">(String[] args)</span> </span>&#123;</span><br><span class="line">        <span class="comment">//1:加载配置文件,创建SecurityManager工厂对象</span></span><br><span class="line">        Factory&lt;SecurityManager&gt; factory = <span class="keyword">new</span> IniSecurityManagerFactory(<span class="string">"classpath:en-shiro.ini"</span>);</span><br><span class="line">        <span class="comment">//2:获得securityManager实例对象</span></span><br><span class="line">        SecurityManager securityManager = factory.getInstance();</span><br><span class="line">        <span class="comment">//3:将securityManger实例绑定到当前运行环境中,便于访问</span></span><br><span class="line">        SecurityUtils.setSecurityManager(securityManager);</span><br><span class="line">        <span class="comment">//4:创建当前登录的主体</span></span><br><span class="line">        Subject currentUser = SecurityUtils.getSubject();</span><br><span class="line">        <span class="comment">//5:绑定主体登录的身份/凭证,既账户及密码</span></span><br><span class="line">        UsernamePasswordToken token = <span class="keyword">new</span> UsernamePasswordToken(<span class="string">"root"</span>, <span class="string">"yubuntu0109"</span>);</span><br><span class="line">        <span class="comment">//6:主体登录</span></span><br><span class="line">        <span class="keyword">try</span> &#123;</span><br><span class="line">            currentUser.login(token);</span><br><span class="line">            System.out.println(<span class="string">"用户身份是否验证成功 :"</span> + currentUser.isAuthenticated());</span><br><span class="line">        &#125; <span class="keyword">catch</span> (UnknownAccountException e) &#123;</span><br><span class="line">            System.err.println(<span class="string">"用户账户错误 !"</span>);</span><br><span class="line">        &#125; <span class="keyword">catch</span> (IncorrectCredentialsException e) &#123;</span><br><span class="line">            System.err.println(<span class="string">"用户密码错误 !"</span>);</span><br><span class="line">        &#125; <span class="keyword">catch</span> (AuthenticationException e) &#123;</span><br><span class="line">            e.printStackTrace();</span><br><span class="line">        &#125;</span><br><span class="line">        <span class="comment">//8:注销登录</span></span><br><span class="line">        currentUser.logout();</span><br><span class="line">        System.out.println(<span class="string">"身份身份是否注销成功 :"</span> + !currentUser.isAuthenticated());</span><br><span class="line"></span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
</li>
<li><p><em>程序运行结果如下所示 :</em></p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">// ······</span></span><br><span class="line">用户身份是否验证成功 :<span class="keyword">true</span></span><br><span class="line"><span class="comment">// ······</span></span><br><span class="line">身份身份是否注销成功 :<span class="keyword">true</span></span><br></pre></td></tr></table></figure></li>
</ol>

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